The following list contains portal puzzles that have been rated as nice or very nice and that are difficult. These puzzles are recommended for experts - and allow some time to solve.
Description | solved | Rating | |
---|---|---|---|
![]() | Mousetrap? (A Rat Run Homage) by tallcat (on 16. January 2025, 06:00) | 170 | ![]() 98 % |
![]() | Ambiguous Slitherlink by Agent (on 28. April 2024, 09:00) | 52 | ![]() 99 % |
![]() | Wichtel 2020 (6): Rundweg "Fünf Jahreszeiten" by wichtel (on 27. May 2021, 20:02) | 38 | ![]() 99 % |
![]() | Roman Architecture by Scruffamudda (on 15. October 2024, 06:42) | 44 | ![]() 93 % |
![]() | Kuromasudoku by Phistomefel (on 26. November 2020, 20:18) | 73 | ![]() 98 % |
![]() | XV*4.0 by NurglesGift (on 20. November 2024, 18:13) | 111 | ![]() 96 % |
![]() | RiesenRenbanKropki II by Richard (on 9. April 2010, 12:00) | 66 | ![]() 91 % |
![]() | Wichtel 2014 (14 und Schluss): Durch den Zauberwald by wichtel (on 17. April 2015, 01:42) | 32 | ![]() 98 % |
![]() | Ship's Wheel by Qodec (on 19. February 2022, 11:09) | 62 | ![]() 98 % |
![]() | Deflation by jwsinclair (on 13. December 2022, 20:42) | 42 | ![]() 94 % |
![]() | XY-Differences Fillomino 2 by glum_hippo (on 30. August 2023, 19:51) | 37 | ![]() 92 % |
![]() | Renban Plasters by antiknight (on 4. April 2024, 18:32) | 37 | ![]() 94 % |
![]() | Juggling with the Twins (Partial Killer) by SudokuExplorer (on 2. October 2020, 02:00) | 31 | ![]() 95 % |
![]() | Food Killer by Mark Sweep (on 27. November 2020, 10:00) | 25 | ![]() 98 % |
![]() | The Disjointed Cube by Wecoc (on 8. January 2021, 01:57) | 57 | ![]() 96 % |
![]() | Marupeke Sudoku by Crusader175 (on 7. November 2021, 08:08) | 24 | ![]() 91 % |
![]() | Skyscrapers Sum by abed hawila (on 25. January 2022, 13:00) | 50 | ![]() 94 % |
![]() | Thermos and Cages by Jeet Sampat (on 7. March 2022, 04:31) | 30 | ![]() 96 % |
![]() | Sum Hope (Sum Lines) by Chilly (on 26. April 2022, 11:23) | 49 | ![]() 97 % |
![]() | Entropy Production by starwarigami (on 30. November 2022, 09:15) | 25 | ![]() 96 % |